Step-by-step explanation:






option B
The expression 3P2 can also be read as "permutation of 3 taken 2". This represents the number of ways in which the 3 items are arranged with the emphasis on the arrangement of the first two other items.
D.
Explanation
I saw this answer in a different question today.
Moreover, 1n + 0.25n = 1.25n
Answer:
213
Step-by-step explanation:
213